in tiles-request-api/src/main/java/org/apache/tiles/request/locale/PostfixedApplicationResource.java [167:174]
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((locale == null) ? 0 : locale.hashCode());
result = prime * result + ((pathPrefix == null) ? 0 : pathPrefix.hashCode());
result = prime * result + ((suffix == null) ? 0 : suffix.hashCode());
return result;
}